| Strain/ NBRC No. | Additive | Conv. (%) | Syn/Anti | e.e. (%) | |
| Syn-(2R, 3S) | Anti-(2S, 3S) | ||||
| A. soli NBRC109063 | None | 12 | 7/93 | >99 | >99 |
| Glycerol | 10 | 11/89 | 86 | >99 | |
| L-Glutamate | 23 | 19/81 | >99 | >99 | |
| A. humatus NBRC109065 | None | 49 | 24/76 | >99 | >99 |
| Glycerol | 31 | 19/81 | 84 | >99 | |
| L-Glutamate | 48 | 18/88 | 88 | >99 | |